<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
    <h2>注册</h2>
    <form action="/" method="post">
        <input type="text" placeholder="请填写用户名" name="username" required>
        <input type="text" placeholder="请填写你的密码" name="password" required>
        <input type="submit" value="注册">
    </form>
</body>
</html>